1260265011 has 8 divisors (see below), whose sum is σ = 1721337744. Its totient is φ = 819684480.

The previous prime is 1260265001. The next prime is 1260265021. The reversal of 1260265011 is 1105620621.

It is an interprime number because it is at equal distance from previous prime (1260265001) and next prime (1260265021).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1260265011 - 2¹³ = 1260256819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1260265001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5122906 + ... + 5123151.

It is an arithmetic number, because the mean of its divisors is an integer number (215167218).

Almost surely, 2^1260265011 is an apocalyptic number.

1260265011 is a deficient number, since it is larger than the sum of its proper divisors (461072733).

1260265011 is a wasteful number, since it uses less digits than its factorization.

1260265011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246101.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1260265011 is about 35500.2114219056. The cubic root of 1260265011 is about 1080.1580161455.

Adding to 1260265011 its reverse (1105620621), we get a palindrome (2365885632).

The spelling of 1260265011 in words is "one billion, two hundred sixty million, two hundred sixty-five thousand, eleven".